Form 4 for SNDK Sandisk
Accepted 2026-09-21 18:03:52 ET · period of report 2026-09-17 · accession 0001242648-26-000041 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-09-21 18:03 | 2026-09-17 | SNDK | Goeckeler David | COB, CEO, Dir | A - Grant | $0.00 | +3,296 | 416.7K | +0.8% | $0 |
| MT | 2026-09-21 18:03 | 2026-09-17 | SNDK | Goeckeler David | COB, CEO, Dir | S - Sale | $1,574.21 | -33.8K | 382.9K | -8% | -$53.27M |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-09-17 | A | A | 3,296 | $0.00 | 416,706 | D | — | — | (F1) Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. |
| 2 | Common | Common Stock | 2026-09-17 | S | D | 40 | $1,567.26 | 416,666 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F3) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1567.00 to a high of $1567.49. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 3 | Common | Common Stock | 2026-09-17 | S | D | 9,604 | $1,569.00 | 407,062 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F4) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1568.44 to a high of $1569.03. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 4 | Common | Common Stock | 2026-09-17 | S | D | 910 | $1,570.04 | 406,152 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F5) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1569.605 to a high of $1570.56. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 5 | Common | Common Stock | 2026-09-17 | S | D | 4,558 | $1,571.21 | 401,594 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F6) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1570.62 to a high of $1571.61. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 6 | Common | Common Stock | 2026-09-17 | S | D | 1,157 | $1,572.60 | 400,437 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F7) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1571.74 to a high of $1572.66. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 7 | Common | Common Stock | 2026-09-17 | S | D | 306 | $1,573.15 | 400,131 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F8) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1572.92 to a high of $1573.71. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 8 | Common | Common Stock | 2026-09-17 | S | D | 2,588 | $1,574.57 | 397,543 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F9) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1574.24 to a high of $1575.11. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 9 | Common | Common Stock | 2026-09-17 | S | D | 2,778 | $1,575.58 | 394,765 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F10) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1575.30 to a high of $1576.20. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 10 | Common | Common Stock | 2026-09-17 | S | D | 4,139 | $1,576.82 | 390,626 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F11) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1576.59 to a high of $1577.00. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 11 | Common | Common Stock | 2026-09-17 | S | D | 2,876 | $1,578.34 | 387,750 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F12) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1577.90 to a high of $1578.66. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 12 | Common | Common Stock | 2026-09-17 | S | D | 640 | $1,579.40 | 387,110 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F13) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1579.00 to a high of $1579.72. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 13 | Common | Common Stock | 2026-09-17 | S | D | 1,480 | $1,580.25 | 385,630 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F14) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1580.06 to a high of $1580.51. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 14 | Common | Common Stock | 2026-09-17 | S | D | 1,080 | $1,583.80 | 384,550 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F15) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1583.65 to a high of $1584.00. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 15 | Common | Common Stock | 2026-09-17 | S | D | 1,520 | $1,585.85 | 383,030 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. (F16) Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1585.04 to a high of $1586.01. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 16 | Common | Common Stock | 2026-09-17 | S | D | 165 | $1,587.00 | 382,865 | D | — | — | (F2) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. |